Alice Raises $140 Million for AI Security
Alice Raises $140 Million for AI Security
Anonymous
Key Points
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The funding round valued Alice at about $800 million, with Apax Digital leading and a broad roster of new and existing investors including Samsung, SentinelOne, Maj Invest, MoreTech, Phoenix Insurance, Norwest, CRV, Vintage, Grove Ventures and Highland Europe.
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Alice maintains the Rabbit Hole dataset, built over almost a decade by tracking digital fraud, ideological extremism, and manipulation campaigns, to test and harden AI models against real-world adversarial content.
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Post-deployment, Alice emphasizes continuous red-teaming and dynamic runtime guardrails, allowing enterprises to configure internal guidelines, simulate breaches, and monitor system traffic in real time.
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Alice is approaching $100 million ARR and works with eight of the ten leading AI model labs, while protecting more than 3 billion people online.
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There was a branding change at the end of last year, with Alice rebranding from ActiveFence to reflect its expanded product and focus.
Alice, an AI security company, raised $140 million in funding led by Apax Digital, bringing its total funding to $280 million PYMNTS. The company is now valued at roughly $800 million and nearing $100 million in annual recurring revenue. Alice operates one of the world's largest AI security research labs with over 150 researchers and works with eight of the ten leading AI model developers to test and defend their systems.
The funding reflects growing demand for AI safety as companies deploy increasingly autonomous systems TechStartups. Alice maintains the Rabbit Hole dataset — a collection of real-world adversarial content built over nearly a decade — to stress-test AI models before they launch and protect them after deployment SecurityWeek.
Alice's AI Security Arsenal
Alice's core tool is the Rabbit Hole dataset, built over almost a decade by tracking digital fraud, extremism, and manipulation campaigns VoiceOfAlexandria. The dataset lets the company test how AI models respond to real-world attacks before release. After deployment, Alice uses continuous red-teaming and dynamic runtime guardrails to monitor live systems SecurityWeek. Enterprises can configure internal safety rules, simulate breaches, and watch traffic in real time.
Partnership With Leading AI Laboratories
Alice collaborates with eight of the top ten AI model labs, including Anthropic, Google, Nvidia, and Cohere PYMNTS. These partnerships let Alice simulate malicious prompts and agentic tasks — autonomous AI actions on real data — before models ship. The company protects more than 3 billion people online through its testing and defense work TechStartups.
A Broad Investor Consortium Signals Confidence
The $140 million round included participation from Samsung, SentinelOne, Maj Invest, MoreTech, Phoenix Insurance, Norwest, CRV, Vintage, Grove Ventures, and Highland Europe Investing. Apax Digital will join Alice's board, indicating deeper investor involvement as the platform expands testing and monitoring across the AI lifecycle. The funding supports Alice's mission to predict and prevent attacks on AI systems by testing against real-world patterns SecurityWeek.
Rebranding Reflects Wider AI Security Focus
Alice rebranded from ActiveFence at the end of last year to reflect its expanded product scope and mission TechStartups. The new name signals a shift from content moderation toward comprehensive AI trust and safety. The company now positions itself as the guardian of AI systems at every stage — from testing before launch to defending during live operation.
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